1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 290 · 40 questions

The trick (Reverse and subtract): Reverse the number and take the smaller number away from the bigger one. The answer is always one of 198, 297, 396, 495, 594, 693, 792, 891: middle digit 9, first and last digits adding to 9. Reverse that answer and add: you always get 1089.

1. 1.Take 925. Reverse its digits and take the smaller number away from the bigger one. What do you get?
2. 2.Do the 1089 trick with 167: reverse and subtract, then reverse that answer and add. What do you get?
3. 3.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
4. 4.Take 651. Reverse its digits and take the smaller number away from the bigger one. What do you get?
5. 5.Do the 1089 trick with 488: reverse and subtract, then reverse that answer and add. What do you get?
6. 6.Do the 1089 trick with 981: reverse and subtract, then reverse that answer and add. What do you get?
7. 7.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
8. 8.Take 400. Reverse its digits and take the smaller number away from the bigger one. What do you get?
9. 9.Take 540. Reverse its digits and take the smaller number away from the bigger one. What do you get?
10. 10.Take 960. Reverse its digits and take the smaller number away from the bigger one. What do you get?
11. 11.693 + 396 =
12. 12.Take 800. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.Take 860. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
15. 15.Take 378. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
17. 17.Take 886. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.Take 357. Reverse its digits and take the smaller number away from the bigger one. What do you get?
19. 19.Do the 1089 trick with 558: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
21. 21.891 + 198 =
22. 22.Take 230. Reverse its digits and take the smaller number away from the bigger one. What do you get?
23. 23.198 + 891 =
24. 24.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
25. 25.Do the 1089 trick with 982: reverse and subtract, then reverse that answer and add. What do you get?
26. 26.Do the 1089 trick with 127: reverse and subtract, then reverse that answer and add. What do you get?
27. 27.Take 915. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.297 + 792 =
29. 29.Take 941. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.Take 264. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.Take 980. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.495 + 594 =
33. 33.Do the 1089 trick with 790: reverse and subtract, then reverse that answer and add. What do you get?
34. 34.Do the 1089 trick with 129: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.Take 690. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.Take 742. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
38. 38.Take 500. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Take 924. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.Do the 1089 trick with 630: reverse and subtract, then reverse that answer and add. What do you get?

Free maths tricks lessons, practice and worksheets at talentjr.in/maths-tricks